Sharp PC-E220 Service Manual Download | Manualshive

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Summary of Contents for PC-E220

Page 1: ...n of display per hour at an ambinet temperature Battery lifetime Power supply 0100H Memory protection Battery backup Operating temperature o c 40 C 32 104 F HEADER MACHINE LANGUAGE AREA PROGRAM FILf AREA TEXT AREA BASIC PROGRAM AREA f VARIABLE AREA SYS SM AREA 1 1 RAM memory map OOOOH 4 Memory map 0 640 04 IBMPC Co f D l rJ CE T801 CMOS ZBOA 8 bit Accessories Weight PC E220 1 o digits 2 digits For...

Page 2: ... After judgement of 1 S signal procedure 01H OUT 14H must be performed to reset 1 S signal latch I XIN control Controls on off of IN MSB LSB 0 0 15H XIN input Jo I I I I I I I I II O XIN input inhibit 1 XIN input enable Maskable interrupt Indicates interrupt MSB LSB 0 I 0 16H factor generatingfactor I l I I IrnTT I 15 I KON I I with the interrupt IA mask ON Conditions for becoming 1 I When IA IA k...

Page 3: ...ipheral RESET Chip enable signal supplied when making access to OOOOH 7FFFH Active high CEROM2 signal is supplied Active Low 81 2 BNK2 1FH x 0 LSB BANK2 0 BK 1 BNK1 1CH 0 x L S8 BANK1 0 OUT BK O BNKO 1BH 0 0 specification BK1 BKO COOOH FFFFH bank OUT Input pin Output pin When making access to 8000H BFFFH CEROM1 signal is supplied Active low 19H 0 0 0 0 0 17H 0 0 Supplied to BNKO and BNK1 pins when...

Page 4: ... 4 0 KOS Key strobe s 0 K06 Key strobe 6 0 K07 I Key strobe 7 0 KOS Key strobe 8 0 K09 Key strobe 9 0 K010 Key strobe 10 I IA1 Key input 11 I IA2 Key input 12 I i IA3 Key input 13 I IA4 l Key input 14 I IAS Key input 1S I IA6 Key input 16 I IA I Key input 17 I IA8 Key input 18 110 MREQ ZBOCPUmemoryrequest signal 19 110 IORQ I ZBOCPUVO requestsignal 20 I SlJSRQ ZBOCPUbus requestsignal I Expansion p...

Page 5: ... when the input voltage VIN exceeds detection volt age VO the output becomes HIGH from LOW When VIN falls below DIN the output becomes LOW The LSIC MN1280 detects the CAU level and the STOP level with one IC To achieve this the input voltage applied to the input pin 2 pin is divided with R1 and R2 and R2 is turned on off by the CAU signal As shown in Fig 3 when the power voltage falls below the CA...

Page 6: ...When attaching the cabinet bottom unit to the cabinet upper unit allow a clearance of 1 2mm between them Do not fix the coin screw tightly Coin screw 0 Coin screw section Battery insertion label 1 2mm VR pot section 0 Battery insertion label attachment 7 Cabinet bottom t C The convex side faces outside G1 _G Electrostatic plate 6 Electrostatic plate Arrange the lead wire as shown above Parallel so...

Page 7: ... B U KEY Starting procedure Turn on the power switch While pressing the I SHIFT key press the CJ key and press the reset switch Menu screen PC E220 10 Diag About 1mm Battery replacementlabel 9 Battery replacement caution label attachment Push the pawl section of the bottom cabinet to insert Bottom cabinet Slightly pressing with fingers slide the bottom cabinet to the right as shown above At that t...

Page 8: ... T801 check 1 Operation check 1 Check program Input this program into the pocket computer J 100 CLS WAIT E 0 200 FOR I 0 TO 7 300 OUT I READ A 400 IFA INP PRINT ERROR I INP A E I 500 NEXT 600 IF E 0 PRINT OK 700 DATA 0 0 0 4 0 0 1 S 800 OUT0 900 END 2 Short the CE T801 2S pin connector by using the 0 SUB male connector as shown below IN 8 If the pocket computer check is O K go to the nest step CE ...

Page 9: ... 9 1 r 1 11 LCD connecting diagram PC E220 ...

Page 10: ...G I s t n I AZ Kot OFF A J s w D I E F R G T H y J u K H llKIGl l c11 L 1QOP __ IOIP t I aauK vce L I L L I IC4 1 r u 1 ua I l l i YI SOP ux T L J_ J T 0 L CJ v L 0 8 1K Cl C t UK T 41 1 _ 1 11 CS2700P J_Cll r Tn 11 L OTC v i CZ41 ao I T C3 V2 3 31 _ M VI ltlMK Lt J DI HZ9Cl l 1 SlnlDC _ _ Note 1 For the dotted line section refer to the pattern only Note 2 C is 251 N 0 1 µF capacitor unless otherw...

Page 11: ...11 __ I g _ __ I _ __ I S4i I _ I ua 4i U 1 iiii i 1 I i ll I I s I Hie __ IC I I l Hij I 1 I HiZ I r H i IC2 I HD61202 554 ___ I rs I Hii I HD61203 I Ta r I I i __ I Hie I t Sii __ ii 1 I ll __ 7 1 I 1 I Ha I I Hii iii 1 2 iiii Ht 1 li __ m VI m VI VI Jvi i i Vt Vt v Si V __ _ m va va vaa mvt vt r f i Vt Yta m i Gl 1 __ t itX TI t 1 rcn AOC II _1 _11 11 CL l l l l l l l I I I l l l J 1 1 1 1 1 1 ...

Page 12: ... 12 13 Part signal arrangement t ...

Page 13: ... 13 Capacitor C1 470µF _ ...

Page 14: ...y installation label 18 PCUSSI021ECZZ AA N c Ba tterv fixone cust11on 19 I X U 8 S F 2 0 P 1 0 0 O 0 AA I c I Screw 2 X 10 20 XUBS020PlOOOO AA c I Screw 2X 10 21 LX BZI02 ECZZ AB I N c I Screw Coon screw 22ILANGT1216CC01 AB I c I Fixinll an lle Z3 XRESP12 0300T AA N c E tvoe rine 24 GFTAAl020ECZZ AB N 0 I Connector lid 25 TLABZ1288ECZZ AO N 0 Ooeration label 25 TLABZ1286ECZZ AC N I c Battery reola...

Page 15: ... 15 ...

Page 16: ...C T Q I H H 2 0 0 J AA c CaoacJtor ISOWV 20PF C 7 15 I V C E A G U l A W 4 7 6 M AA i c Caoacitor QWV 47 ufl C20J is VCEAGUIAW477M AC I c Cacaciror llOWV 470ufl ClJ 17 IV CE AG U l CW l 0 6 M AA c Cacacitor 116WV OuF C2 18 VCEAGUIHW335M I AA c Caoacitor ISOV 3 3ufl C3 24 l 19 VCKYPUIHB272K AA c Caoacitor 50WV 2700ofl CSl 20 VCKYTQ1H8681K AA N c Cacacitor SOWV 680PF C22 23 21 I V H 0 0 A N 2 0 2 K ...

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